冶金部有色司委托北京有色冶金设计研究总院于4月21日至4月27日在常州冶炼厂主持召外了炼铜炉用镁铬砖砖型标准起草会议。出席会议的有冶金部标准化研究所、北京有色冶金设计研究总院、洛阳耐火材料厂、白银、铜陵一、二冶、中条山、云冶、金川、大冶、常冶等冶炼厂以及第一冶金迠设公司研究所等单位的代表近三十人。 Ministry of Metallurgical Nonferrous Metallurgical Division entrusted Beijing Nonferrous Metallurgical Design and Research Institute in April 21 to April 27 in Changzhou Smelter hosted a call out of the magnesia-chrome brick brick standard drafting meeting. Attending the meeting were Metallurgy Department of Standardization Institute, Beijing Nonferrous Metallurgy Design and Research Institute, Luoyang Refractory Factory, Baiyin, Tongling one or two Ye, Zhongtiaoshan, Yun Ye, Jinchuan, Daye, Chang Ye and other smelters and the A metallurgical company set up a research institute and other units of nearly 30 representatives.